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Finding the Fourth Proportional to 3,871.82, 5,804.80 and 1,925.39

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Solution

The fourth proportional to 3,871.82, 5,804.80 and 1,925.39 is: 2,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.82 : 5,804.80 = 1,925.39 : x
  2. Step 2: Convert to fraction form
    3,871.82/5,804.80 = 1,925.39/x
  3. Step 3: Cross multiply
    3,871.82x = 5,804.80 × 1,925.39
  4. Step 4: Simplify right side
    3,871.82x = 11,176,513.57
  5. Step 5: Solve for x
    x = 11,176,513.57/3,871.82
  6. Step 6: Final answer
    x = 2,886.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.